What is a macro lens? Magnification and minimum focus distance explained

    | Macro | Photography Tips | 23/08/2013 10:38am
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    Coping with shallow depth of field

    Coping with shallow depth of field

    When you’re shooting at the minimum focus distance, depth of field is extremely small. For example, with a 100mm lens on an APS-C camera, it’s just 0.6mm at an aperture of f/2.8, so only areas that are within 0.3mm in front of or behind the focus point will be rendered sharply. Even at f/11, the depth of field is only 2.6mm.

    Shallow depths of field aren’t too much of a problem when shooting flat two-dimensional objects, but things get tricky in 3D.

    Because focusing is so critical, you’re usually best off switching to manual focus, so you can focus on exactly the part of the object you want to be sharp.

    Fixing the camera in place and using Live View is helpful, as you can select a magnified view on the camera’s LCD for high-precision focusing.

    PAGE 1: How much magnification do you need in a macro lens?
    PAGE 2: What is a macro lens’ minimum focus distance?
    PAGE 3: Coping with shallow depth of field

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    Posted on Friday, August 23rd, 2013 at 10:38 am under Macro, Photography Tips.

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